There are 3 products.
Adetec - Vocal PSTN Transmitter 5 220V power inputs
Adetec Vocal PSTN Transmitter 5 220v Power Inputs
Price
€290.45
Visonic VLE-320 - Universal PSTN to IP Transmitter 2G/3G/4G
Visonic VLE-320 Universal PSTN to IP Transmitter 2G/3G/4G
Price
€236.48